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Chemical composition of manganese micronodules from expedition VA-05/1 in the...
A radioisotope energy-dispersive X-ray (EDX) system has been used on board the German research vessel "Valdivia" during an exploration expedition in the northern equatorial... -
Chemical composition of manganese nodules and a ferromanganese crust using di...
In the 1960s and 1970s, the Kennecott Corporation conducted a number of activities in the evaluation of manganese nodule deposits as well as in their possible hydrometallurgy.... -
Chemical composition of nodules from two locations in the Pacific Ocean using...
Manganese nodules recovered in the Pacific Ocean by the U. S. Bureau of Mines and by DeepSea Ventures Ltd. are studied for their chemical composition using X microprobe and... -
Potassium and Argon data for dating the core, and radiochemical data of a ser...
Although various models have been proposed to explain the origin of manganese nodules (see Goldberg and Arrhenius), two major hypotheses have received extensive attention. One... -
Chemical composition of ocean manganese nodules from the Pacific Ocean using ...
Mineralogical and chemical analyses performed on 67 ferromanganese nodules from widely varying locations and depths within the marine environment of the Pacific Ocean indicate... -
Annotated record and chemical composition of Mn deposits from R/V Mahi Cruise...
A University of Hawaii oceanographic cruise, Abyssal Hills 69, with the R/V Mahi, was carried out to study the association of manganese nodules with an abyssal hill. Manganese... -
Chemical composition of ocean manganese nodules from the Pacific Ocean
This collection includes data on the chemical composition of ocean manganese nodules from the Pacific Ocean obtained with different methods. From 1983 until 1989 NOAA-NCEI... -
Geochemistry and descriptions of manganese nodules and crusts retrieved from ...
The book is a compilation of all available data at the time of publication (1965) on the subject of marine minerals together with the author's original ideas regarding their... -
Chemical composition and rate of accumulation of manganese nodules in the wes...
The major and some of the minor constituents and the rate of accumulation of manganese nodules in the western North Pacific were determined. Manganese concentration in the... -
Annotated record and chemical composition of ferromanganese concretions and c...
The main objective of the project was to develop a geochemical method for exploration of ores associated with granitic rocks. Fe and Mn oxidates were sampled in streambeds and... -
Annotated record and illustrations of Mn nodules retrieved during cruise KH-7...
Deep sea manganese nodules from the Central Pacific Basin are mainly composed of 10Å manganite and d-MnO2 Two zones equivalent to the minerals are evidently distinguishable... -
Analysis of Mn-deposits in swedish lakes
In connection with a discovery of oxidic manganiferous and ferriferous precipitations in northern Vermland and north-western Dalecarlia, pH measurements of different waters and... -
Investigation of manganese nodules from the Malvinas (Falkland) Plateau
Manganese nodules occurring within marine sediments of presumably Upper Miocene-Lower Pliocene age from cores obtained by the Argentine oceanographic vessel ARA Islas Orcadas in... -
Metal content of nodules determined by Deepsea Ventures, Inc. with different ...
Information on possible resource value of sea floor manganese nodule deposits in the Pacific has been assessed by Deepsea ventures Inc, from the collection of manganese nodules... -
Annotated record and detailed features of Mn deposits from R/V Bosei Maru Cru...
During the GDP-8 cruise of R/V Bosei-Maru, scientists from the Tokai University surveyed the Kinan seamount chain and the Kyushu-Palau Ridge in the Phillippine Sea. They dredged... -
Description, Beryllium characteristics and chemical composition of manganese ...
Depth profiles of 10Be and 9Be concentrations have been measured in five manganese nodules from widely varying locations of the Pacific Ocean. Mean accumulation rate of these... -
Observations and rare earth element composition of manganese nodules during A...
An area of about 22,000 km² on the northern Blake Plateau, off the coast of South Carolina, contains an estimated 2 billion metric tons of phosphorite concretions, and about 1.2... -
Annotated record and chemical analyses of a polygenetic manganese nodule (sla...
A large manganese nodule (manganese slab) was dredged from 2100 m on the Scott Plateau by R.V. Valdivia in 1977. It is an irregular ellipsoid, with a maximum dimension of 28 cm,... -
Annotated record and chemical composition of manganese crusts and nodules obt...
The plateau is a foundered continental block, and lies at an average depth of 2000-3000 m. On the plateau the dominant fault direction is NW to WNW, an ancient strike direction... -
Chemical and mineralogical data on manganese nodules and associated sediment ...
The major and minor element compositions of a suite of abyssal sea-floor ferromanganese nodules and associated sediments from the eastern central Pacific have been used to...